E3S Web Conf.
Volume 73, 2018The 3rd International Conference on Energy, Environmental and Information System (ICENIS 2018)
|Number of page(s)||6|
|Published online||21 December 2018|
The Diversity And Classification Of Intraspecies Of Gembolo (Dioscorea Bulbifera L.) Based On Morphological Character
1 Department of Agrotechnology, Faculty of Agriculture, Musamus University, Jl. Kamizaun, Mopah Lama, Merauke, Papua 99616, Indonesia
2 Laboratory of Plant Systematics, Faculty of Biology, Gadjah Mada University, Jl. Teknika Selatan, Mlati, Sleman, Special Region of Yogyakarta 55281, Indonesia
2 Laboratory of Genetics, Faculty of Biology, Gadjah Mada University, Jl. Teknika Selatan, Mlati, Sleman, Special Region of Yogyakarta 55281, Indonesia
* Corresponding author: email@example.com
Gembolo (Dioscorea bulbifera L.) is a dioecious, annual, herbaceous, climbing plants and has heart-shaped leaves. Gembolo has aerial tubers (bulbil) and main tuber that has irregular shapes, as well as many rough roots at the base of the stem. The purpose of this research is to know the phenetic relationship of the germplasm of Gembolo in Special Region of Yogyakarta based on morphological character. The results of this study are expected to provide information on intraspecies diversity, phenetic relationship and Gembolo distribution. Gembolo plant samples were taken from D.I Yogyakarta. The sample was observed based on the difference of morphological character, so the number of accessions obtained from D.I Yogyakarta could be determined. Morphological characters would be described and characterized to determine the Operational Taxonomic Units (OTU’s). Based on morphological character data, then the grouping analysis was done by grouping analysis method and the dendrogram was formed by the method of Unweighted Pair Group Methods using Arithmetic averages (UPGMA) using Multivariate Statistical Program (MVSP) software version 3.1pc. The results showed that gembolo had morphological variation in tuber shape, stem color, leaf shape, leaf base shape and leaf tip shape. Based on the morphological characters, 2 main groups with the value of similarity index of 62,8% was formed. Group I consisted of four accessions with a similarity value of 85%. Group II consisted of eight accessions with a similarity value of 75%. A high similarity based on the morphological character on gembolo accession caused the gembolo plants in Special Region of Yogyakarta did not vary.
Key words: Gembolo / phenetic relationship / intraspecies classification
© The Authors, published by EDP Sciences, 2018
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